Maintaining healthy blood sugar levels is essential for overall health, disease prevention, and the regulation of mood and hunger. Chronically high blood sugar can increase the risk of diabetes, heart disease, and kidney problems, while rapid fluctuations can lead to anxiety, irritability, hunger, and dizziness. Prioritizing foods rich in protein, fiber, healthy fats, and key vitamins and minerals can significantly support blood sugar control.

While multiple factors influence blood sugar regulation, dietary choices play a pivotal role. Incorporating certain foods into your diet can help stabilize blood sugar levels. Here are 10 of the best foods for achieving and maintaining optimal blood sugar stability:

1. Beans and Lentils: Despite being higher in carbohydrates, legumes are excellent for blood sugar control due to their high fiber and plant-based protein content. Unlike refined carbs, their fiber and protein slow digestion and the gradual release of sugar into the bloodstream. For example, lentils provide 15.6 grams of fiber and 17.9 grams of protein per cup, covering a significant portion of daily needs.

2. Seafood: Varieties like tuna, salmon, cod, trout, shrimp, and oysters are rich in protein, healthy fats, vitamins, and minerals that support blood sugar health. Research suggests that increased consumption of oily fish such as salmon may lower the risk of developing type 2 diabetes.

3. Avocados: Low in carbohydrates but high in fiber (13.5 grams in a 201-gram avocado), avocados are excellent for blood sugar regulation. They are also a good source of magnesium, which plays a key role in insulin secretion and carbohydrate metabolism. Studies indicate that individuals with type 2 diabetes who have higher blood magnesium levels tend to have better blood sugar control.

4. Whey Protein: Whey protein isolate, offering 25 grams of protein with zero carbs, is a blood sugar-friendly option. A 2020 review found that whey protein consumption significantly reduced long-term blood sugar markers, such as hemoglobin A1c (HbA1c), and improved insulin resistance in people with metabolic syndrome. Consuming whey protein before a meal can also help lower post-meal blood sugar spikes.

5. Greek Yogurt: A three-quarter cup serving of Greek yogurt provides 17 grams of protein, roughly double that of regular yogurt. It is also a source of probiotics, which support healthy blood sugar by improving gut health, reducing inflammation, and enhancing insulin sensitivity. For best results, choose unsweetened Greek yogurt with live and active cultures.

6. Chia Seeds: Chia seeds are rich in fiber (9.75 grams per ounce, covering 35% of daily needs) and magnesium (23% of the DV per serving), both vital for blood sugar regulation. They may also improve the function of beta cells, which produce and secrete insulin.

7. Artichokes: A cup of artichoke hearts contains 9.69 grams of fiber (35% of the DV) and provides magnesium (17% of daily needs). A 2022 study showed that consuming artichokes before a high-carb meal helped reduce post-meal blood sugar in individuals with prediabetes.

8. Chicken: A carb-free food high in protein (26 grams per 3-ounce serving), chicken is excellent for maintaining optimal blood sugar. Adding high-protein foods like chicken to high-carb meals can reduce their impact on blood sugar, with some studies suggesting that eating protein before carbohydrates is particularly effective.

9. Nuts and Seeds: These provide plant-based protein, fiber, and essential minerals such as magnesium and zinc, all crucial for blood sugar regulation. Increased consumption may help lower blood sugar in individuals with prediabetes or diabetes. For instance, a 2023 study found that prediabetic participants who ate almonds before meals experienced significant reductions in post-meal blood sugar, insulin resistance, and HbA1c.

10. Oats: Oat products such as oat bran and steel-cut oats are high in fiber. A one-fourth-cup serving of oat bran offers 3.6 grams of fiber, while steel-cut oats provide 4 grams. Oats contain beta-glucan, a soluble fiber that slows sugar absorption and helps prevent post-meal spikes.

Beyond diet, a healthy lifestyle is essential for blood sugar maintenance. Evidence-based strategies include: following a high-protein, high-fiber diet, staying active to improve insulin sensitivity, limiting sugary foods and drinks, maintaining a healthy body weight, and pairing high-carb foods with high-protein options to reduce post-meal spikes.

Conversely, it is important to limit foods and drinks that negatively impact blood sugar. These include sugary beverages (soda, energy drinks), candy, ice cream, sugary baked goods, refined carbs (white bread, white rice), fried foods, and processed meats (bacon, sausage). By prioritizing nutritious, blood sugar-friendly foods and minimizing detrimental ones, you can effectively maintain stable blood sugar levels.